I created example to reproduce. On 2.1-rc3 it hangs in several seconds
final ODatabaseDocumentTx db = new
ODatabaseDocumentTx("memory:default").open("admin", "admin");
final OrientGraphNoTx graph = new OrientGraphNoTx(db);
final OrientVertexType c1 = graph.createVertexType("C1");
c1.createProperty("p1", OType.INTEGER);
c1.createIndex("p1", "unique", "p1");
final List<Thread> threads = new ArrayList<>();
final Random random = new Random();
final AtomicInteger count = new AtomicInteger();
for (int i = 0; i < 50; i++) {
final Thread thread = new Thread(new Runnable() {
@Override
public void run() {
for (int j = 0; j < 1000; j++) {
final ODatabaseDocumentTx db = new
ODatabaseDocumentTx("memory:default").open("admin", "admin");
final OrientGraph graph = new OrientGraph(db);
graph.begin();
final OrientVertex result = graph.addVertex("class:C1");
result.setProperty("p1", random.nextInt());
final OIndex<?> index =
db.getMetadata().getIndexManager().getIndex("p1");
for (int k = 0; k < 100; k++) {
index.get(random.nextInt());
}
graph.shutdown(true, true);
if (count.incrementAndGet() % 100 == 0) {
System.out.print('.');
if (count.get() % 10000 == 0) {
System.out.println();
}
}
}
}
});
threads.add(thread);
thread.start();
}
try {
for (Thread thread : threads) {
thread.join();
}
} catch (InterruptedException e) {
}
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